南四湖的形成时代和原因探讨

原由昭阳、独山、微山和南阳四湖组成,前两者诞生于明嘉靖至隆庆初年,后两者分别形成于明万历至清顺治和清乾隆年间。它们既是黄河下游冲积平原向鲁中南山地边缘扩展和黄河南迁截夺泗水下游的产物,又是元、明、清三代进行漕运的结果。

The Discussion on Forming Age and Root Cause of The Nansihu lake

The Nansihu lake is made up originally by Zhaoyang, Dusan, Weishan and Nanyang lakes, They were formed separatly in Jiajing, Longqing, Wanli of the Ming Dynasty and Qianlong of the Qing Dynasty, They were produced by that the dounstream alluvial plain of the Yellow river advanced toward the verge of the central and south mountain land of Sandong province and the Yellow river captured the downstream river bed of Sishui river as well as the canal tran-sporls in the Yuan, Ming and Qing dyasty.